Question 29. How To Determine The Root Device Type Of Your Ami ? Answer : We can determine the Root Device type of AMI using following 2 methods. Method 1: Following are the steps to determine the Root Device type of an AMI using the console Open the Amazon EC2 console In the navigation pane, click AMIs, and select the AMI Check the value of Root Device Type in the Details tab as follows If the value is ebs, this is an Amazon EBS-backed AMI If the value is instance store, this is an instance store-backed AMI Method 2: Following are the steps to determine the root device type of an AMI using the command line We can use one of the following commands. describe-images (AWS CLI) Get-EC2Image (AWS Tools for Windows PowerShell)
Question 24. How To Migrate An Instance To Another Availability Zone ? Answer : You can migrate your EC2 instance from one Availability Zone to another. Following are the steps to migrate an Instance to another Availability Zone: Create an AMI from the running instance Launch an instance from the AMI that you just created, specify the new Availability Zone You can use the same instance type as the original instance, or select a new instance type If the original instance has an associated Elastic IP address, then associate it with the new instance If the original instance is a Reserved Instance, change the Availability Zone for your reservation
Question 46. What Are The Main Features Of Classic Load Balancer In Ec2 ? Answer : Some of the main features of Classic Load Balancer (CLB) in Amazon EC2 are as follows: Health Check: Based on the result of Health Check, Classic Load Balancer can decide to route the traffic. If any instance has unhealthy results, CLB will not route the traffic to that instance. Security: We can create security groups for CLB in Virtual Private Cloud (VPC). With these features, it is easy to implement secure load balancing within a network. High Availability: With CLB, we can distribute traffic among EC2 instances in single or multiple Availability Zones. This helps in providing very high scale of availability for the incoming traffic. Sticky Sessions: CLB also supports sticky session by using cookies. The sticky sessions make sure that the traffic from a user is always routed to the same instance so that user gets seamless experience. IPv6: CLB also support Internet Protoco...
Comments
Post a Comment